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Int iswalnum(wint_t ch)

Function char Equivalent int iswalnum(wint_t ch)isalnum() #include <stdio.h> #include <wctype.h> int main(void) {    int wc;    for (wc=0; wc <= 0xFF; wc++) {       printf("%3d", wc);       printf(" %#4x ", wc);       printf("%3s", iswalnum(wc)  ? "AN" : " ");       putchar('\n');    } } 0 0 1 0x1 2 0x2 3 0x3 4 0x4 5 0x5 6 0x6 7 0x7 8 0x8 9 0x9 10 0xa 11 0xb 12 0xc 13 0xd 14 0xe 15 0xf 16 0x10 17 0x11 18 0x12 19 0x13 20 0x14 21 0x15 22 0x16 23 0x17 24 0x18 25 0x19 26 0x1a 27 0x1b 28 0x1c 29 0x1d 30 0x1e 31 0x1f 32 0x20 33 0x21 34 0x22 35 0x23 36 0x24 37 0x25 38 0x26 39 0x27 40 0x28 41 0x29 42 0x2a 43 0x2b 44 0x2c 45 0x2d 46 0x2e 47 0x2f 48 0x30 AN 49 0x31 AN 50 0x32 AN 51 0x33 AN 52 0x34 AN 53 0x35 AN 54 0x36 AN 55 0x37 AN 56 0x38 AN 57 0x39 AN 58 0x3a 59 0x3b 60 0x3c 61 0x3d 62 0x3e 63 0x3f 64 0x40 65 0x41 AN 66 0x42 AN 67 0x43 AN 68 0x44 AN 69 0x45 AN 70 0x46 AN 71 0x47 AN 72 0x48 AN 73 0x49 AN 74 0x4a AN 75 0x4b AN 76 0x4c AN 77 0x4d AN 78 0x4e AN 79 0x4f AN 80 0x50 AN 81 0x51 AN 82 0x52 AN 83 0x53 AN 84 0x54 AN 85 0x55 AN 86 0x56 AN 87 0x57 AN 88 0x58 AN 89 0x59 AN 90 0x5a AN 91 0x5b 92 0x5c 93 0x5d 94 0x5e 95 0x5f 96 0x60 97 0x61 AN 98 0x62 AN 99 0x63 AN 100 0x64 AN 101 0x65 AN 102 0x66 AN 103 0x67 AN 104 0x68 AN 105 0x69 AN 106 0x6a AN 107 0x6b AN 108 0x6c AN 109 0x6d AN 110 0x6e AN 111 0x6f AN 112 0x70 AN 113 0x71 AN 114 0x72 AN 115 0x73 AN 116 0x74 AN 117 0x75 AN 118 0x76 AN 119 0x77 AN 120 0x78 AN 121 0x79 AN 122 0x7a AN 123 0x7b 124 0x7c 125 0x7d 126 0x7e 127 0x7f 128 0x80 129 0x81 130 0x82 131 0x83 132 0x84 133 0x85 134 0x86 135 0x87 136 0x88 137 0x89 138 0x8a 139 0x8b 140 0x8c 141 0x8d 142 0x8e 143 0x8f 144 0x90 145 0x91 146 0x92 147 0x93 148 0x94 149 0x95 150 0x96 151 0x97 152 0x98 153 0x99 154 0x9a 155 0x9b 156 0x9c 157 0x9d 158 0x9e 159 0x9f 160 0xa0 161 0xa1 162 0xa2 163 0xa3 164 0xa4 165 0xa5 166 0xa6 167 0xa7 168 0xa8 169 0xa9 170 0xaa 171 0xab 172 0xac 173 0xad 174 0xae 175 0xaf 176 0xb0 177 0xb1 178 0xb2 AN 179 0xb3 AN 180 0xb4 181 0xb5 182 0xb6 183 0xb7 184 0xb8 185 0xb9 AN 186 0xba 187 0xbb 188 0xbc 189 0xbd 190 0xbe 191 0xbf 192 0xc0 AN 193 0xc1 AN 194 0xc2 AN 195 0xc3 AN 196 0xc4 AN 197 0xc5 AN 198 0xc6 AN 199 0xc7 AN 200 0xc8 AN 201 0xc9 AN 202 0xca AN 203 0xcb AN 204 0xcc AN 205 0xcd AN 206 0xce AN 207 0xcf AN 208 0xd0 AN 209 0xd1 AN 210 0xd2 AN 211 0xd3 AN 212 0xd4 AN 213 0xd5 AN 214 0xd6 AN 215 0xd7 216 0xd8 AN 217 0xd9 AN 218 0xda AN 219 0xdb AN 220 0xdc AN 221 0xdd AN 222 0xde AN 223 0xdf AN 224 0xe0 AN 225 0xe1 AN 226 0xe2 AN 227 0xe3 AN 228 0xe4 AN 229 0xe5 AN 230 0xe6 AN 231 0xe7 AN 232 0xe8 AN 233 0xe9 AN 234 0xea AN 235 0xeb AN 236 0xec AN 237 0xed AN 238 0xee AN 239 0xef AN 240 0xf0 AN 241 0xf1 AN 242 0xf2 AN 243 0xf3 AN 244 0xf4 AN 245 0xf5 AN 246 0xf6 AN 247 0xf7 248 0xf8 AN 249 0xf9 AN 250 0xfa AN 251 0xfb AN 252 0xfc AN 253 0xfd AN 254 0xfe AN 255 0xff AN